B6 add science

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what are synapses?
a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another cell (neural or otherwise
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what are receptors used for?
receptors are used to detect a stimulus; the response is is produced by an effector.
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name three effectors.
1. when you stand on a pin, 2. when you touch something hot, 3. when something cold e.g. ice touches you.
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what do sensory neurons do?
sensory neurons carry impulses from the receptors to the CNS (Central Nervous System)
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describe the difference between a spinal reflex and a simple reflex.
Spinal reflexes allow you to act without trying then sending the message to your brain ' ow that's hot' while a reflex has to travel though impulses ect.
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what is conditioning?
Conditioning is a reflex response to a new (secondary) stimulus,learned by introducing it together with a main (primary) stimulus
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what is memory for?
Memory is the storage and retrieval of information.
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what are the two types of memory?
1. long term memory, 2. short term memory.
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what does the nervous system produce?
the nervous system produces a quick, short-lived response to a stimulus.
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what does the hormonal system produce?
the hormonal system produces a slower, longer-lasting response.
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what is a stimulus?
A change in environment that causes a response by stimulating receptor nerve cells e.g. hot surface.
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Card 2

Front

what are receptors used for?

Back

receptors are used to detect a stimulus; the response is is produced by an effector.

Card 3

Front

name three effectors.

Back

Preview of the front of card 3

Card 4

Front

what do sensory neurons do?

Back

Preview of the front of card 4

Card 5

Front

describe the difference between a spinal reflex and a simple reflex.

Back

Preview of the front of card 5
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